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11224312040 = 235283991547
BaseRepresentation
bin10100111010000010…
…10110100011101000
31001222020112010111202
422131001112203220
5140441410441130
65053435543332
7545102035544
oct123501264350
931866463452
1011224312040
11483a916847
122212bbab48
13109b544976
147869c0a24
1545a5ec145
hex29d0568e8

11224312040 has 32 divisors (see below), whose sum is σ = 25343966880. Its totient is φ = 4473855552.

The previous prime is 11224311977. The next prime is 11224312063. The reversal of 11224312040 is 4021342211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484454 + ... + 507093.

It is an arithmetic number, because the mean of its divisors is an integer number (791998965).

Almost surely, 211224312040 is an apocalyptic number.

11224312040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11224312040 is an abundant number, since it is smaller than the sum of its proper divisors (14119654840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11224312040 is a wasteful number, since it uses less digits than its factorization.

11224312040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991841 (or 991837 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11224312040 its reverse (4021342211), we get a palindrome (15245654251).

The spelling of 11224312040 in words is "eleven billion, two hundred twenty-four million, three hundred twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 283 566 1132 1415 2264 2830 5660 11320 991547 1983094 3966188 4957735 7932376 9915470 19830940 39661880 280607801 561215602 1122431204 1403039005 2244862408 2806078010 5612156020 11224312040